<template>
  <div id="app">
    <header class="head">
      <a class="back tl" href="javascript:history.back(-1)">
        <i class="el-icon-arrow-left"></i>
      </a>
      <a href="javascript:;" class="tc">
        <small class="font_18 co_f">原料索证</small>
      </a>
      <router-link to='/chjllistadd' class="adds">
        <i class="el-icon-plus"></i>
      </router-link>
    </header>
    <main>
      <div class="seachfrom">
        <div class="seachbox">
          <el-input placeholder="请输入原料类别或者原料名称" v-model="seachtext">
            <el-button slot="append" icon="search" @click="seach()"></el-button>
          </el-input>
        </div>
      </div>
      <div v-loading='loading'>
        <v-loadmore :top-method="loadTop" :bottom-method="loadBottom" :auto-fill="false" ref="loadmore">
          <ul class="datalist">
            <li v-for='item of listData' :key='item.unid'>
                <a @click="Chjllistdetail(item)">
                <div class="items-img">
                  <img src="../../assets/iconimg.png" />
                </div>
                <div class="items-text">
                  <p>名称:{{item.demandWarehouse.name}}</p>
                  <p>类别：{{item.demandWarehouse.demandType.name}}</p>
                  <p>进货数量{{item.num}}(斤)</p>
                  <p>进货日期：{{item.stockDate|time}}</p>
                </div>
              </a>
            </li>
          </ul>
        </v-loadmore>
        <div class="none_data" v-show="nonedata">
          <img src="../../img/tip.png">
        </div>
      </div>
    </main>
  </div>
</template>

<script>
  import {
    DemandCertificate
  } from '../../api/api';
  import {
    Loadmore
  } from 'mint-ui';
  export default {
    components: {
      'v-loadmore': Loadmore,
    },
    data() {
      return {
        loading: true,
        nonedata: false,
        PageSize:10,
        CurrentPage: 1,
        CriteriaList: [],
        listData: [],
        seachtext: '',
        select: '',
      };
    },
     watch: {
        listData(val) {
            if (val) {
                this.loading = false;
            }
        },
    },
    methods: {
        Chjllistdetail: function(item) {
        this.$router.push({
          name: 'Chjllistdetail',
          query:{unid:item.unid}
        })
        sessionStorage.setItem('Chjllistdetail', JSON.stringify({
          content: item,
        }));
      },
      loadTop: function() { //组件提供的下拉触发方法  
        //下拉刷新
          if (this.CurrentPage >= 0) {
            this.CurrentPage = 1;
            this.listData = [];
            this.getData();
        } else {
          this.listData = [];
          this.getData();
        }
        this.$refs.loadmore.onTopLoaded(); // 固定方法，查询完要调用一次，用于重新定位  
      },
      loadBottom: function() {
        // 上拉加载  
        this.CurrentPage += 1;
        this.getData();
        // 上拉触发的分页查询  
        //this.allLoaded = true;
        this.$refs.loadmore.onBottomLoaded(); // 固定方法，查询完要调用一次，用于重新定位  
      },
      //搜索
      seach: function() {
        this.CurrentPage=1;
        this.listData = [];
        this.CriteriaList[0] = {
          Name: 'DemandWarehouse.DemandType.Name',
          Value: '%' + this.seachtext + '%',
          Operate: 'Like',
          DataType: null,
          EndSuffix: '',
          Suffix: null
        };
        this.CriteriaList[1] = {
          Name: 'DemandWarehouse.Name',
          Value: '%' + this.seachtext + '%',
          Operate: 'Like',
          DataType: null,
          EndSuffix: '',
          Suffix: null
        };
        this.getData();
      },
      //数据加载方法
      getData() {
        let CurrentPageNum = this.CurrentPage
        //定义需要传给通讯的参数：QueryData{"PageSize":10,"CurrentPage":1,"Query":{"CriteriaList":[]}}和userunid    
        let varQueryData = {
          PageSize: this.PageSize,
          CurrentPage: this.CurrentPage,
          Query: {
            CriteriaList: [],
            SubQueryList: []
          }
        }
        if (this.CriteriaList.length !== 0) {
          let SubQueryList = [{
            CriteriaList: this.CriteriaList,
            Relation: 'or'
          }]
          varQueryData.Query.SubQueryList = SubQueryList;
        }
        let options = {
          params: {
            unid:'',
            UserUnid: JSON.parse(localStorage.getItem('auth')).UserUnid,
            QueryData: JSON.stringify(varQueryData)
          }
        }
        //调取接口
        DemandCertificate(options).then((res) => {
          if (res.success === true) {
            this.user = res.data.user;
            this.listData = this.listData.concat(res.data);
            if (res.data.length > 0) {
              this.nonedata = false
            } else {
              if (CurrentPageNum == 1) {
                this.nonedata = true
              } else {
                this.nonedata = false
              }
            }
          }
        })
      }
    },
    //页面加载时候
    mounted() {
      this.getData();
      //监听滚动
    }
  
  }
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->

<style lang="scss" scoped>
  
</style>
